CA3239000A1 - Produit refractaire et son utilisation - Google Patents

Produit refractaire et son utilisation Download PDF

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Publication number
CA3239000A1
CA3239000A1 CA3239000A CA3239000A CA3239000A1 CA 3239000 A1 CA3239000 A1 CA 3239000A1 CA 3239000 A CA3239000 A CA 3239000A CA 3239000 A CA3239000 A CA 3239000A CA 3239000 A1 CA3239000 A1 CA 3239000A1
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CA
Canada
Prior art keywords
yttria
refractory product
process according
refractory
mixed oxide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3239000A
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English (en)
Inventor
Johannes Ruben LARSEN
Fred Brunk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhi Magnesita Bochum GmbH
Topsoe AS
Original Assignee
Rhi Magnesita Bochum GmbH
Haldor Topsoe AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rhi Magnesita Bochum GmbH, Haldor Topsoe AS filed Critical Rhi Magnesita Bochum GmbH
Publication of CA3239000A1 publication Critical patent/CA3239000A1/fr
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/101Refractories from grain sized mixtures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/101Refractories from grain sized mixtures
    • C04B35/106Refractories from grain sized mixtures containing zirconium oxide or zircon (ZrSiO4)
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225Yttrium oxide or oxide-forming salts thereof
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    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
    • C04B2235/3246Stabilised zirconias, e.g. YSZ or cerium stabilised zirconia
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54Particle size related information
    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5427Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54Particle size related information
    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54Particle size related information
    • C04B2235/5463Particle size distributions
    • C04B2235/5472Bimodal, multi-modal or multi-fraction
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/76Crystal structural characteristics, e.g. symmetry
    • C04B2235/762Cubic symmetry, e.g. beta-SiC
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/76Crystal structural characteristics, e.g. symmetry
    • C04B2235/762Cubic symmetry, e.g. beta-SiC
    • C04B2235/764Garnet structure A3B2(CO4)3
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/77Density
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/80Phases present in the sintered or melt-cast ceramic products other than the main phase
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    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9669Resistance against chemicals, e.g. against molten glass or molten salts

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

L'invention concerne un produit réfractaire céramique grossier façonné et cuit et un procédé pour la préparation du produit et l'utilisation du produit, le produit réfractaire céramique grossier façonné et cuit comprenant (a) une composition chimique comprenant des teneurs en Al2O3 d'au moins 40 % en poids ; en Y2O3 de 2,0 à 57 % en poids ; et en ZrO2 au-dessous de 42,0 % en poids ; et (b) une matrice de liaison comprenant au moins un oxyde mixte cristallin contenant de l'oxyde d'yttrium avec une modification cubique du système ternaire Al2O3-Y2O3-ZrO2.
CA3239000A 2021-11-26 2022-11-23 Produit refractaire et son utilisation Pending CA3239000A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA202101121 2021-11-26
DKPA202101121 2021-11-26
PCT/EP2022/082953 WO2023094437A1 (fr) 2021-11-26 2022-11-23 Produit réfractaire et son utilisation

Publications (1)

Publication Number Publication Date
CA3239000A1 true CA3239000A1 (fr) 2023-06-01

Family

ID=84488479

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3239000A Pending CA3239000A1 (fr) 2021-11-26 2022-11-23 Produit refractaire et son utilisation

Country Status (7)

Country Link
EP (1) EP4436937A1 (fr)
KR (1) KR20240112874A (fr)
CN (1) CN118369304A (fr)
AR (1) AR127779A1 (fr)
CA (1) CA3239000A1 (fr)
TW (1) TW202334382A (fr)
WO (1) WO2023094437A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4960441A (en) 1987-05-11 1990-10-02 Norton Company Sintered alumina-zirconia ceramic bodies
EP0300716B1 (fr) 1987-07-22 1993-05-19 Champion Spark Plug Company Céramique d'alumine-zircone
US4966875A (en) 1987-09-24 1990-10-30 General Motors Corp. Wear-resistant ceramic for casting rare earth alloys
CN1315755C (zh) * 2003-03-31 2007-05-16 黑崎播磨株式会社 废弃物熔融炉用不含铬的不定形耐火材料及以其为内衬的废弃物熔融炉
DK201600605A1 (en) 2016-10-07 2018-04-16 Haldor Topsoe As Combustion Chamber Hot Face Refractory Lining

Also Published As

Publication number Publication date
EP4436937A1 (fr) 2024-10-02
KR20240112874A (ko) 2024-07-19
TW202334382A (zh) 2023-09-01
AR127779A1 (es) 2024-02-28
CN118369304A (zh) 2024-07-19
WO2023094437A1 (fr) 2023-06-01

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